Pong, the Atari creation that launched the computer game craze, came with these instructions: "Avoid missing ball for high score."
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| Number | Title | Issue Date |
| 5911258 | Apparatus for connecting a broom head and a broom handle A broom apparatus for improving the way conventional corn brooms can be assembled and thereafter shipped. The broom apparatus includes a broomcorn attachment adaptor and a quick release adaptor adapted to be threadedly connected to the attachment adaptor.... | 06/15/1999 |
| 5890253 | Mop apparatus for unwinding the tangled strands of a mop head A mop apparatus for unwinding the tangled strands of a mop head such that the strands of the mop head are disentangled. The apparatus includes an inner member, an outer member slidably installed over the inner member, and a mop head which is made from a p... | 04/06/1999 |
| 5842810 | Quick release adaptor for adapting a mop head and a mop handle An adaptor for quickly connecting and releasing a T-shaped bar which holds a mop head and a mop handle to form a complete mop for use. The T-shaped bar has a horizontal base portion and a vertical threaded portion. The horizontal base portion is adapted t... | 12/01/1998 |
| 5701628 | Mop holder with a quick release locking nut A mop holder which incorporates a quick release locking nut for clamping a mop and attaching a mop stick. The mop holder comprises a hollow frame and a quick release locking nut which is installed on the frame. The frame has a central portion with a close... | 12/30/1997 |
| 5625922 | Attachment apparatus for forming a handle An attachment apparatus for forming a handle to a broom handle or the like. The attachment apparatus includes a handle member, an intermediate closure member which is installed in the handle member, and a locking member which is installed within the inter... | 05/06/1997 |
| 5509163 | Quick squeezing wringable mop A quick squeezing self-wringing mop which utilizes an outer tubular member for wringing the mop dry. It comprises an outer tubular member, an inner shaft located within the outer tubular member and which is movable longitudinally relative to the inner sha... | 04/23/1996 |
| 5365616 | Non-splashing urinal deodorant block holder A non-splashing urinal deodorant block holder is used in a vertical type toilet or urinal. The urinal deodorant block holder can hold a deodorant block to rid the urinal of the unpleasant odor of urine and will not splash back the urine when the urine str... | 11/22/1994 |
| 5274877 | Semi-automatic mop wringer The present invention is a unique semi-automatic mop wringer. The mop wringer comprises a hollow housing vertically movably supported on a supporting structure by a suspension mechanism. The housing is engaged with the supporting structure through a rack-... | 01/04/1994 |
| 5230596 | Slidable and threadable quick release locking nut for quick change type mop holders The present invention is an improved quick release locking nut for quick change type mop holders. The mop holder has a frame attachable to a mop stick and a clamping member for securing mop fill. The quick release locking nut is slidably mounted on a cent... | 07/27/1993 |